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SubjectRe: [PATCH v2 3/7] scsi: ufs: core: Fix mcq nr_hw_queues
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Hi Po-Wen,

On 2/22/2023 11:04 AM, Po-Wen Kao wrote:
> Need to add one to MAXQ to obtain number of hardware queue.
>
> Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com>
> ---
> drivers/ufs/core/ufs-mcq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c
> index a39746b2a8be..5d5bc0bc6e88 100644
> --- a/drivers/ufs/core/ufs-mcq.c
> +++ b/drivers/ufs/core/ufs-mcq.c
> @@ -150,7 +150,7 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba)
> u32 hba_maxq, rem, tot_queues;
> struct Scsi_Host *host = hba->host;
>
> - hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities);
> + hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities) + 1 ;
Can we add one line comment why need to  add one to hba_maxq  here or in
commit message?
>
> tot_queues = UFS_MCQ_NUM_DEV_CMD_QUEUES + read_queues + poll_queues +
> rw_queues;

Best Regards.

Ziqi

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